Erysiphe circaeae ex Circaea lutetiana

#Circaealutetiana #Circaea #GewöhnlichesHexenkraut #broadleavedenchantersnightshade #CircéedeParis #Erysiphecircaeae #Erysiphe #PowderyMildew #EchterMehltau #Phytopathology #mushroom #mushrooms #fungus #fungi #pilz #champignon #nature #natur #FungiFriends